UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 20 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 -2 SFC 988 98 8.4 1.4 61 7.0 5.1 315 7 282.5 283.3 278.9 294.5 4.28 2 925 638 4.0 -3.0 60 7.0 1.1 320 13 283.4 284.0 278.0 292.8 3.31 3 850 1318 -1.9 -4.3 84 2.4 -2.9 325 15 284.2 284.7 278.4 293.5 3.27 4 822 1583 -4.5 -6.5 86 2.0 -5.3 322 21 284.1 284.6 277.8 292.3 2.86 5 796 1835 -6.3 -11.3 68 5.0 -7.9 318 27 284.8 285.2 277.0 290.8 2.02 6 768 2116 -3.3 -17.3 33 14.0 -7.4 315 33 291.0 291.2 279.0 294.9 1.28 7 700 2848 -4.3 -33.3 8 29.0 -10.1 305 50 297.7 297.8 280.8 298.8 0.33 8 686 3007 -4.9 -36.9 6 32.0 -10.8 304 52 298.8 298.8 281.1 299.6 0.24 9 657 3345 -6.5 -38.5 6 32.0 -12.1 302 56 300.7 300.7 281.9 301.4 0.21 10 578 4330 -13.7 -24.7 39 11.0 -16.2 296 69 303.5 303.7 284.0 306.4 0.89 11 529 4999 -16.9 -21.1 70 4.2 -18.0 293 77 307.4 307.7 285.9 311.8 1.34 12 500 5420 -18.5 -23.5 65 5.0 -19.7 290 83 310.5 310.7 286.8 314.3 1.15 13 496 5480 -18.9 -24.9 59 6.0 -20.2 290 83 310.7 310.9 286.8 314.1 1.02 14 400 7040 -31.7 -38.7 50 7.0 -32.4 290 89 313.8 313.9 287.1 315.0 0.34 15 367 7645 -35.9 -43.9 44 8.0 -36.5 290 92 316.0 316.1 287.7 316.8 0.21 16 360 7778 -37.3 -45.3 43 8.0 -37.9 290 93 315.9 315.9 287.6 316.6 0.19 17 300 9010 -48.3 -56.3 39 8.0 -48.6 290 99 317.3 317.3 287.9 317.5 0.06 18 283 9393 -51.9 -59.9 38 8.0 -52.1 292 102 317.4 317.5 287.9 317.6 0.04 19 250 10190 -57.7 -64.7 40 7.0 -57.8 295 108 320.3 320.3 288.9 320.4 0.03 20 248 10240 -58.0 -65.1 40 7.1 -58.1 295 108 320.6 320.6 288.9 320.7 0.02 21 231 10682 -60.7 -68.7 34 8.0 -60.8 295 106 323.0 323.0 289.7 323.1 0.02 22 206 11395 -57.7 -65.7 35 8.0 -57.8 295 85 338.5 338.5 294.0 338.6 0.03 23 200 11580 -57.9 -65.9 35 8.0 -58.0 295 79 341.1 341.1 294.6 341.2 0.03 24 182 12179 -53.9 -61.9 37 8.0 -54.1 297 70 356.9 356.9 298.1 357.1 0.05 25 150 13420 -53.1 -62.1 33 9.0 -53.4 300 52 378.6 378.6 302.1 378.9 0.06 26 121 14803 -52.5 -63.5 25 11.0 -52.9 300 44 403.7 403.7 305.7 404.0 0.06 27 100 16020 -57.1 -69.1 20 12.0 -57.5 300 36 417.4 417.4 307.4 417.6 0.03 28 96 16278 -57.7 -69.7 20 12.0 -58.0 302 35 421.1 421.1 307.9 421.3 0.03 29 85 17058 -51.5 -64.5 20 13.0 -52.2 307 34 448.6 448.6 310.8 449.0 0.08 30 74 17947 -57.1 -70.1 18 13.0 -57.6 313 32 454.9 455.0 311.3 455.2 0.04 31 70 18300 -55.7 -69.7 16 14.0 -56.3 315 31 465.2 465.2 312.3 465.5 0.05 32 66 18674 -54.5 -68.5 16 14.0 -55.2 318 30 475.7 475.7 313.1 476.1 0.06 33 50 20440 -56.3 -72.3 12 16.0 -57.1 330 23 510.8 510.8 315.7 511.1 0.04 34 30 23670 -59.7 -79.7 6 20.0 -60.6 320 23 581.9 581.9 319.8 582.0 0.02 35 25 24811 -59.3 -81.3 4 22.0 -60.4 614.2 614.2 321.2 614.3 0.02 TRP 231 10682 -60.7 -68.7 34 8.0 -60.8 295 106 323.0 323.0 289.7 323.1 0.02 WND 248 10240 -58.0 -65.1 40 7.1 -58.1 295 108 320.6 320.6 288.9 320.7 0.02 Sounding variables and indices 1000-500 mb thick: 5422.00 m Freezing level: 874.15 mb = 1099.02 m = 3605.66 ft Wetbulb zero: 904.47 mb = 818.47 m = 2685.24 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 45.52 % Est. max temperature: 10.02 C = 50.04 F Sfc-Lift cond lev (LCL): 887.73 mb = 968.75 m = 3178.26 ft T: 1.13 C 700-500 lapse rate: 5.52 C/km ThetaE index: 2.71 C Layer 822.0- 768.0 mb Conv cond level (CCL): 835.45 mb = 1454.51 m = 4771.95 ft Mean mixing ratio: 3.60 g/kg Conv temperature: 10.02 C = 50.04 F Cap Strength: 13.26 C Lifted Index: 15.20 C Risk: None Lifted Index @300 mb: 16.98 C Lifted Index @700 mb: 9.10 C Showalter Index: 15.14 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 14.20 C K Index: -16.70 Risk: None Sweat Index: 113.00 Risk: None Energy Index: 4.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.57 J/kg Max Up Vert Vel: 3.02 m/s Conv Inhibition (B-): 46206.53 J/kg Cap Strength: 14.70 C Lift Cond Lev (LCL): 847.23 mb = 1343.81 m = 4408.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 37 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 988 98 315 7 4.9 -4.9 | 151 30 -14.6 26.4 1 925 638 320 13 8.4 -10.0 | 152 24 -11.2 21.4 2 850 1318 325 15 8.6 -12.3 | 150 22 -11.0 19.1 3 700 2848 305 50 41.0 -28.7 | 263 22 21.4 2.7 4 500 5420 290 83 78.0 -28.4 | 267 59 58.4 3.0 5 400 7040 290 89 83.6 -30.4 | 269 64 64.1 0.9 6 300 9010 290 99 93.0 -33.9 | 272 74 73.5 -2.5 7 250 10190 295 108 97.9 -45.6 | 280 80 78.3 -14.3 8 248 10240 295 108 97.9 -45.6 | 280 80 78.3 -14.3 9 231 10682 295 106 96.1 -44.8 | 280 78 76.5 -13.4 10 200 11580 295 79 71.6 -33.4 | 272 52 52.0 -2.0 11 150 13420 300 52 45.0 -26.0 | 258 26 25.5 5.4 12 100 16020 300 36 31.2 -18.0 | 221 18 11.6 13.4 13 70 18300 315 31 21.9 -21.9 | 194 10 2.4 9.5 14 50 20440 330 23 11.5 -19.9 | 145 14 -8.1 11.5 15 30 23670 320 23 14.8 -17.6 | 161 15 -4.8 13.8 Wind Parameters Mean winds (0-6000m): 298.0 at 49.3 knts Storm direction: 328.0 at 37.0 knts Shear (0-3000m) pos: 1.3 neg: 6.9 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 114.4 deg Storm rel helicity (0-3000m) pos: 87.8 neg: -5.2 tot: 82.6 m^2/s^2 ave: 27.5 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 214.54 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 318 10 152 27| 5.8 0.0 5.8| 4.6 0.0 4.6 9.2 0.11| 5.8 0.6 1000 320 12 152 25| 3.9 0.0 3.9| 4.6 -3.4 1.2 1.2 0.01| 3.9 0.0 1500 322 13 152 24| 2.6 2.4 5.0| 15.5 -5.2 10.3 6.9 0.13| 5.1 0.7 2000 319 17 155 21| 1.9 4.8 6.8| 42.1 -5.2 37.0 18.5 0.41| 6.9 2.8 2500 315 21 164 17| 1.5 6.3 7.8| 70.0 -5.2 64.8 25.9 0.53| 8.0 4.2 3000 311 26 180 14| 1.3 6.9 8.1| 87.8 -5.2 82.6 27.5 0.49| 8.4 4.1 4000 306 34 215 14| 1.0 6.9 7.8|102.2 -5.2 97.0 24.2 0.41| 8.1 3.3 5000 302 42 240 19| 0.8 6.9 7.7|102.3 -18.0 84.3 16.9 0.32| 8.0 2.6 6000 298 49 251 25| 0.6 6.3 7.0|116.5 -28.8 87.7 14.6 0.29| 7.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250420.00.gif